526 Linux for IBM ^ zSeries and S/390: Distributions
Examples
dasd=9AC,996-998 dasd_force_diag=100
This reserves minor numbers 0,4,8,12 for devices 9AC, 996, 997, and 998
respectively. Device 100 is accessed by means of VM’s DIAG 250 instruction.
This would be equivalent to specifying:
dasd=9AC,996,997,998 dasd_force_diag=100
When the DASD driver is compiled as a module, you must put the following
entries in /etc/modules.conf. You will need to check whether your system is using
the dasd.o or dasd_mod.o module names, and use the corresponding entry.
Note: Remember that your root file system cannot be on a DASD volume if you
make the DASD driver a module. It must either be on a minidisk (with the
minidisk driver compiled into the kernel), or on ...